and - logical and operator.
bool1 bool2 and -> bool
int1 int2 and -> int
true true and -> true
10 24 and -> 8
For booleans, and returns true if both arguments are true
For integer arguments, and performs a bit-wise and between
the two integers.
/home/abuild/rpmbuild/BUILD/nest-2.20.git/sli/slimath.cc